Purchased this ring from Amazon, worn once. Very beautiful, but I decided I preferred a round stone. I missed the 30 day return window, so hopefully it can bring some joy to someone new! Amazon description: HIGH-QUALITY AAA CUBIC ZIRCONIA 925 STERLING SILVER PROMISE RING: solid S925 sterling silver, tarnish-resistant, ensuring there is no tarnish residue on the skin. Rhodium plating provides a long-lasting luster. Completely hypoallergenic, allergy-free, nickel-free, lead-free, and cadmium free to prevent irritation.